FixVault

Fuel Injector Removal/Installation: Notes

Special Service Tool (SST) 

49 D013 1A0
Injector seal installer set
G16323043Courtesy of MAZDA MOTORS CORP.

Replacement Part 

Spacer
Quantity: 4
Location of use: Fuel injector
Stopper ring
Quantity: 4
Location of use: Fuel injector
O-ring
Quantity: 4
Location of use: Fuel injector
Back-up ring
Quantity: 4
Location of use: Fuel injector
Teflon seal
Quantity: 4
Location of use: Fuel injector
-

Oil and Chemical Type 

Engine oil

Type: Recommended oil

WARNING:
  • Highly pressurized fuel may spray out if the fuel line is cut. Due to the following dangers occurring with a fuel spray, always complete the "Fuel Line Safety Procedure  " to prevent the fuel from spraying.
    • Fuel may cause irritation if it comes in contact with skin and eyes.
    • If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.
  • A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before draining fuel, make sure to discharge static electricity by touching the vehicle body.
CAUTION:
  • Touching the end of the fuel injector by hand or pressing it to an object may cause a malfunction. Be very careful when handling the end of the fuel injector.
  • When the fuel distributor is removed, air tightness of the fuel injectors will be lost. Always replace the stopper ring, O-ring, back-up ring, spacer, and teflon seal on all four fuel injectors with new ones when the fuel distributor is removed.
  • Do not remove the fuel pressure sensor from the fuel distributor.
  1. Complete the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION [VIN Y] .)
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [VIN Y] .)
  4. Remove in the order indicated in the table.
  5. Install in the reverse order of removal.
  6. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION [VIN Y] .)
Fig 1: Fuel Injector Components Location With Torque Specification (VIN Y)
G15608750Courtesy of MAZDA MOTORS CORP.
FUEL INJECTOR COMPONENT OPERATIONS

Component No. Refer to
1 High fuel pressure sensor connector
2 Fuel injector connector
3 Fuel distributor
(See Fuel Distributor Removal Note .)
(See Fuel Distributor Installation Note .)
4 Fuel injector
(See Fuel Injector Installation Note .)
5 Spacer
(See Spacer Installation Note .)
6 Stopper ring
(See Stopper Ring Removal Note .)
(See Stopper Ring Installation Note .)
7 O-ring
8 Back-up ring
(See Back-up Ring Installation Note .)
9 Teflon seal
(See Teflon Seal Removal Note .)
(See Teflon Seal Installation Note .)